OK, let's work through this together. We're starting with 121 and we're going to multiply it by 319, which means we add 121 to itself 319 times.
Step 1: 0 + 121 = 121
Step 2: 121 + 121 = 242
Step 3: 242 + 121 = 363
Step 4: 363 + 121 = 484
Step 5: 484 + 121 = 605
Step 6: 605 + 121 = 726
Step 7: 726 + 121 = 847
Step 8: 847 + 121 = 968
Step 9: 968 + 121 = 1089
Step 10: 1089 + 121 = 1210
Step 11: 1210 + 121 = 1331
Step 12: 1331 + 121 = 1452
Step 13: 1452 + 121 = 1573
Step 14: 1573 + 121 = 1694
Step 15: 1694 + 121 = 1815
Step 16: 1815 + 121 = 1936
Step 17: 1936 + 121 = 2057
Step 18: 2057 + 121 = 2178
Step 19: 2178 + 121 = 2299
Step 20: 2299 + 121 = 2420
Step 21: 2420 + 121 = 2541
Step 22: 2541 + 121 = 2662
Step 23: 2662 + 121 = 2783
Step 24: 2783 + 121 = 2904
Step 25: 2904 + 121 = 3025
Step 26: 3025 + 121 = 3146
Step 27: 3146 + 121 = 3267
Step 28: 3267 + 121 = 3388
Step 29: 3388 + 121 = 3509
Step 30: 3509 + 121 = 3630
Step 31: 3630 + 121 = 3751
Step 32: 3751 + 121 = 3872
Step 33: 3872 + 121 = 3993
Step 34: 3993 + 121 = 4114
Step 35: 4114 + 121 = 4235
Step 36: 4235 + 121 = 4356
Step 37: 4356 + 121 = 4477
Step 38: 4477 + 121 = 4598
Step 39: 4598 + 121 = 4719
Step 40: 4719 + 121 = 4840
Step 41: 4840 + 121 = 4961
Step 42: 4961 + 121 = 5082
Step 43: 5082 + 121 = 5203
Step 44: 5203 + 121 = 5324
Step 45: 5324 + 121 = 5445
Step 46: 5445 + 121 = 5566
Step 47: 5566 + 121 = 5687
Step 48: 5687 + 121 = 5808
Step 49: 5808 + 121 = 5929
Step 50: 5929 + 121 = 6050
Step 51: 6050 + 121 = 6171
Step 52: 6171 + 121 = 6292
Step 53: 6292 + 121 = 6413
Step 54: 6413 + 121 = 6534
Step 55: 6534 + 121 = 6655
Step 56: 6655 + 121 = 6776
Step 57: 6776 + 121 = 6897
Step 58: 6897 + 121 = 7018
Step 59: 7018 + 121 = 7139
Step 60: 7139 + 121 = 7260
Step 61: 7260 + 121 = 7381
Step 62: 7381 + 121 = 7502
Step 63: 7502 + 121 = 7623
Step 64: 7623 + 121 = 7744
Step 65: 7744 + 121 = 7865
Step 66: 7865 + 121 = 7986
Step 67: 7986 + 121 = 8107
Step 68: 8107 + 121 = 8228
Step 69: 8228 + 121 = 8349
Step 70: 8349 + 121 = 8470
Step 71: 8470 + 121 = 8591
Step 72: 8591 + 121 = 8712
Step 73: 8712 + 121 = 8833
Step 74: 8833 + 121 = 8954
Step 75: 8954 + 121 = 9075
Step 76: 9075 + 121 = 9196
Step 77: 9196 + 121 = 9317
Step 78: 9317 + 121 = 9438
Step 79: 9438 + 121 = 9559
Step 80: 9559 + 121 = 9680
Step 81: 9680 + 121 = 9801
Step 82: 9801 + 121 = 9922
Step 83: 9922 + 121 = 10043
Step 84: 10043 + 121 = 10164
Step 85: 10164 + 121 = 10285
Step 86: 10285 + 121 = 10406
Step 87: 10406 + 121 = 10527
Step 88: 10527 + 121 = 10648
Step 89: 10648 + 121 = 10769
Step 90: 10769 + 121 = 10890
Step 91: 10890 + 121 = 11011
Step 92: 11011 + 121 = 11132
Step 93: 11132 + 121 = 11253
Step 94: 11253 + 121 = 11374
Step 95: 11374 + 121 = 11495
Step 96: 11495 + 121 = 11616
Step 97: 11616 + 121 = 11737
Step 98: 11737 + 121 = 11858
Step 99: 11858 + 121 = 11979
Step 100: 11979 + 121 = 12100
Step 101: 12100 + 121 = 12221
Step 102: 12221 + 121 = 12342
Step 103: 12342 + 121 = 12463
Step 104: 12463 + 121 = 12584
Step 105: 12584 + 121 = 12705
Step 106: 12705 + 121 = 12826
Step 107: 12826 + 121 = 12947
Step 108: 12947 + 121 = 13068
Step 109: 13068 + 121 = 13189
Step 110: 13189 + 121 = 13310
Step 111: 13310 + 121 = 13431
Step 112: 13431 + 121 = 13552
Step 113: 13552 + 121 = 13673
Step 114: 13673 + 121 = 13794
Step 115: 13794 + 121 = 13915
Step 116: 13915 + 121 = 14036
Step 117: 14036 + 121 = 14157
Step 118: 14157 + 121 = 14278
Step 119: 14278 + 121 = 14399
Step 120: 14399 + 121 = 14520
Step 121: 14520 + 121 = 14641
Step 122: 14641 + 121 = 14762
Step 123: 14762 + 121 = 14883
Step 124: 14883 + 121 = 15004
Step 125: 15004 + 121 = 15125
Step 126: 15125 + 121 = 15246
Step 127: 15246 + 121 = 15367
Step 128: 15367 + 121 = 15488
Step 129: 15488 + 121 = 15609
Step 130: 15609 + 121 = 15730
Step 131: 15730 + 121 = 15851
Step 132: 15851 + 121 = 15972
Step 133: 15972 + 121 = 16093
Step 134: 16093 + 121 = 16214
Step 135: 16214 + 121 = 16335
Step 136: 16335 + 121 = 16456
Step 137: 16456 + 121 = 16577
Step 138: 16577 + 121 = 16698
Step 139: 16698 + 121 = 16819
Step 140: 16819 + 121 = 16940
Step 141: 16940 + 121 = 17061
Step 142: 17061 + 121 = 17182
Step 143: 17182 + 121 = 17303
Step 144: 17303 + 121 = 17424
Step 145: 17424 + 121 = 17545
Step 146: 17545 + 121 = 17666
Step 147: 17666 + 121 = 17787
Step 148: 17787 + 121 = 17908
Step 149: 17908 + 121 = 18029
Step 150: 18029 + 121 = 18150
Step 151: 18150 + 121 = 18271
Step 152: 18271 + 121 = 18392
Step 153: 18392 + 121 = 18513
Step 154: 18513 + 121 = 18634
Step 155: 18634 + 121 = 18755
Step 156: 18755 + 121 = 18876
Step 157: 18876 + 121 = 18997
Step 158: 18997 + 121 = 19118
Step 159: 19118 + 121 = 19239
Step 160: 19239 + 121 = 19360
Step 161: 19360 + 121 = 19481
Step 162: 19481 + 121 = 19602
Step 163: 19602 + 121 = 19723
Step 164: 19723 + 121 = 19844
Step 165: 19844 + 121 = 19965
Step 166: 19965 + 121 = 20086
Step 167: 20086 + 121 = 20207
Step 168: 20207 + 121 = 20328
Step 169: 20328 + 121 = 20449
Step 170: 20449 + 121 = 20570
Step 171: 20570 + 121 = 20691
Step 172: 20691 + 121 = 20812
Step 173: 20812 + 121 = 20933
Step 174: 20933 + 121 = 21054
Step 175: 21054 + 121 = 21175
Step 176: 21175 + 121 = 21296
Step 177: 21296 + 121 = 21417
Step 178: 21417 + 121 = 21538
Step 179: 21538 + 121 = 21659
Step 180: 21659 + 121 = 21780
Step 181: 21780 + 121 = 21901
Step 182: 21901 + 121 = 22022
Step 183: 22022 + 121 = 22143
Step 184: 22143 + 121 = 22264
Step 185: 22264 + 121 = 22385
Step 186: 22385 + 121 = 22506
Step 187: 22506 + 121 = 22627
Step 188: 22627 + 121 = 22748
Step 189: 22748 + 121 = 22869
Step 190: 22869 + 121 = 22990
Step 191: 22990 + 121 = 23111
Step 192: 23111 + 121 = 23232
Step 193: 23232 + 121 = 23353
Step 194: 23353 + 121 = 23474
Step 195: 23474 + 121 = 23595
Step 196: 23595 + 121 = 23716
Step 197: 23716 + 121 = 23837
Step 198: 23837 + 121 = 23958
Step 199: 23958 + 121 = 24079
Step 200: 24079 + 121 = 24200
Step 201: 24200 + 121 = 24321
Step 202: 24321 + 121 = 24442
Step 203: 24442 + 121 = 24563
Step 204: 24563 + 121 = 24684
Step 205: 24684 + 121 = 24805
Step 206: 24805 + 121 = 24926
Step 207: 24926 + 121 = 25047
Step 208: 25047 + 121 = 25168
Step 209: 25168 + 121 = 25289
Step 210: 25289 + 121 = 25410
Step 211: 25410 + 121 = 25531
Step 212: 25531 + 121 = 25652
Step 213: 25652 + 121 = 25773
Step 214: 25773 + 121 = 25894
Step 215: 25894 + 121 = 26015
Step 216: 26015 + 121 = 26136
Step 217: 26136 + 121 = 26257
Step 218: 26257 + 121 = 26378
Step 219: 26378 + 121 = 26499
Step 220: 26499 + 121 = 26620
Step 221: 26620 + 121 = 26741
Step 222: 26741 + 121 = 26862
Step 223: 26862 + 121 = 26983
Step 224: 26983 + 121 = 27104
Step 225: 27104 + 121 = 27225
Step 226: 27225 + 121 = 27346
Step 227: 27346 + 121 = 27467
Step 228: 27467 + 121 = 27588
Step 229: 27588 + 121 = 27709
Step 230: 27709 + 121 = 27830
Step 231: 27830 + 121 = 27951
Step 232: 27951 + 121 = 28072
Step 233: 28072 + 121 = 28193
Step 234: 28193 + 121 = 28314
Step 235: 28314 + 121 = 28435
Step 236: 28435 + 121 = 28556
Step 237: 28556 + 121 = 28677
Step 238: 28677 + 121 = 28798
Step 239: 28798 + 121 = 28919
Step 240: 28919 + 121 = 29040
Step 241: 29040 + 121 = 29161
Step 242: 29161 + 121 = 29282
Step 243: 29282 + 121 = 29403
Step 244: 29403 + 121 = 29524
Step 245: 29524 + 121 = 29645
Step 246: 29645 + 121 = 29766
Step 247: 29766 + 121 = 29887
Step 248: 29887 + 121 = 30008
Step 249: 30008 + 121 = 30129
Step 250: 30129 + 121 = 30250
Step 251: 30250 + 121 = 30371
Step 252: 30371 + 121 = 30492
Step 253: 30492 + 121 = 30613
Step 254: 30613 + 121 = 30734
Step 255: 30734 + 121 = 30855
Step 256: 30855 + 121 = 30976
Step 257: 30976 + 121 = 31097
Step 258: 31097 + 121 = 31218
Step 259: 31218 + 121 = 31339
Step 260: 31339 + 121 = 31460
Step 261: 31460 + 121 = 31581
Step 262: 31581 + 121 = 31702
Step 263: 31702 + 121 = 31823
Step 264: 31823 + 121 = 31944
Step 265: 31944 + 121 = 32065
Step 266: 32065 + 121 = 32186
Step 267: 32186 + 121 = 32307
Step 268: 32307 + 121 = 32428
Step 269: 32428 + 121 = 32549
Step 270: 32549 + 121 = 32670
Step 271: 32670 + 121 = 32791
Step 272: 32791 + 121 = 32912
Step 273: 32912 + 121 = 33033
Step 274: 33033 + 121 = 33154
Step 275: 33154 + 121 = 33275
Step 276: 33275 + 121 = 33396
Step 277: 33396 + 121 = 33517
Step 278: 33517 + 121 = 33638
Step 279: 33638 + 121 = 33759
Step 280: 33759 + 121 = 33880
Step 281: 33880 + 121 = 34001
Step 282: 34001 + 121 = 34122
Step 283: 34122 + 121 = 34243
Step 284: 34243 + 121 = 34364
Step 285: 34364 + 121 = 34485
Step 286: 34485 + 121 = 34606
Step 287: 34606 + 121 = 34727
Step 288: 34727 + 121 = 34848
Step 289: 34848 + 121 = 34969
Step 290: 34969 + 121 = 35090
Step 291: 35090 + 121 = 35211
Step 292: 35211 + 121 = 35332
Step 293: 35332 + 121 = 35453
Step 294: 35453 + 121 = 35574
Step 295: 35574 + 121 = 35695
Step 296: 35695 + 121 = 35816
Step 297: 35816 + 121 = 35937
Step 298: 35937 + 121 = 36058
Step 299: 36058 + 121 = 36179
Step 300: 36179 + 121 = 36300
Step 301: 36300 + 121 = 36421
Step 302: 36421 + 121 = 36542
Step 303: 36542 + 121 = 36663
Step 304: 36663 + 121 = 36784
Step 305: 36784 + 121 = 36905
Step 306: 36905 + 121 = 37026
Step 307: 37026 + 121 = 37147
Step 308: 37147 + 121 = 37268
Step 309: 37268 + 121 = 37389
Step 310: 37389 + 121 = 37510
Step 311: 37510 + 121 = 37631
Step 312: 37631 + 121 = 37752
Step 313: 37752 + 121 = 37873
Step 314: 37873 + 121 = 37994
Step 315: 37994 + 121 = 38115
Step 316: 38115 + 121 = 38236
Step 317: 38236 + 121 = 38357
Step 318: 38357 + 121 = 38478
Step 319: 38478 + 121 = 38599

So, 121*319 = 38599